Solve 9 - x^2 = x + 7

Evaluate

9 - x^{2} = x + 7

Move the expression to the left side

2 - x^{2} - x = 0

Factor the expression

More Steps

(1 - x) (2 + x) = 0

When the product of factors equals 0,at least one factor is 0

1 - x = 0 2 + x = 0

Solve the equation for x

More Steps

x = 1 2 + x = 0

Solve the equation for x

More Steps

x = 1 x = - 2

Solution

x_{1} = - 2, x_{2} = 1

9 x^2 = x + 7